Questions tagged [side-effects]

Questions about secondary or unwanted effects a drug can cause on a person; ie: how depression medication can cause suicidal thoughts.

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33
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1answer
2k views

What effects does alcohol have on underage children?

In most countries, there is a legal drinking age: 21 in the U.S., 18 in most European countries. I've always been told that legal drinking age is in place because alcohol has harmful effects on ...
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29 views

Covid vaccine second dose side effects and immunity

Does experiencing side effects such as fever/headache/muscle ache after the second dose of vaccine mean that immune system is weak and catching covid would have been more dangerous in comparison to ...
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Immunoglobulin E (IgE) level and covid vaccine

I am finding hard to find information if a person has say higher than average level of Immunoglobulin E (IgE) is it safe to do covid vaccine?
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33 views

Why nutritional / Dietary supplement pills are having their side effects?

I was recently reading about nutritional or dietary supplement medicines or pills most of them contain wide range of vitamins and minerals essential for well being of a human being and are used to ...
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1answer
49 views

How frequently does the use of topical fluorouracil cream result in permanent scarring and/or skin discoloration?

I wonder how frequently the use of topical fluorouracil cream results in permanent scarring and/or skin discoloration (e.g., hyper- or hypopigmentation). What I have found so far doesn't give any ...
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25 views

If you've already been infected with SARS-CoV-2, do the vaccines cause fewer side effects?

Assuming that I had Covid-19 not so long ago. My body should have produced some type of antibodies to defend against the infection*. If I now get one of the vaccines, would it be more likely that ...
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15 views

Why there is histamine release following d-TC administration?

Skeletal muscle relaxants (specifically Isoquinoline derivatives like d-Tubocuriarine) liberate Histamine from Mast cells. Ref: https://pubmed.ncbi.nlm.nih.gov/2581878/ What is the mechanism of this ...
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1answer
43 views

Why isn't there a hormonal therapy specific to the treatment of PCOS?

Women with Polycystic Ovarian syndrome are commonly prescribed oral contraceptives for the reducing effect of anti-androgens on symptoms such as acne and hirsutism. I don't have great medical ...
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1answer
30 views

Why do pseudoephedrine and methamphetamine have such different pharmacological effects despite only a difference in one oxygen molecule?

Pseudoephedrine's formula is: C10H15NO and methamphetamine's is: C10H15N. The only differ by an oxygen molecule yet have different effects. The reason I ask is because I have a relative in the States ...
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1answer
62 views

How effective is sinovac/sinopharm vaccine

it's time for me to get vaccinated with sinovac vaccine. I am actually a little bit nervous, about its effectiveness, I am not a docotor and I have no idea what's behind it. I am worrying that it ...
11
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3answers
423 views

Was there ever a vaccine candidate that showed negative side effects many months or years after the patient was injected?

The current prognosis for a COVID-19 vaccine to become available is "12-18 months" and a big part of the reason for such a long timeline is the fact that scientists want to ensure that the vaccine is ...
2
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1answer
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Were thrombocyte counts or bleeding events monitored at all during ChAdOx1 (AZD1222) clinical trials?

Maybe I'm just missing something, but on a quick look, I find it a bit strange that since issues with thrombocyte (platelet) counts in adenovirus-vectored therapeutics have (1) been known for about ...
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1answer
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What is wrong with taking coffee and methylphenidate together?

I think this question is related to my other question here Concerta or other kinds of methylphenidate can be and is seen by some to be several cups of a coffee in one pill. Provided my understanding ...
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37 views

Can growth hormone treatment affect body proportions?

I am thinking especially of abnormally short legs in proportion to the trunk for an average height. Could this be a side effect of growth hormone treatment in childhood?
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1answer
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Muscarinic receptors in bladder

ACh contracts the wall of the bladder(by M3 receptor). How does it relax the sphincter?
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39 views

Which is the best test to confirm a Lidocaine allergy?

As per my study, there are two tests which are performed to confirm/dispute a Lidocaine allergy. Patch test Intradermal Test Which is the most conclusive of the above? Are there any other tests?
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3answers
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Are side effects of corona virus vaccines no worse than virus symptoms?

In my country there is a general fear for side effects of the Pfizer and Astrazeneca vaccines, also due to some deaths among people having taken the vaccine. I reason that since the vaccines replicate ...
9
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2answers
390 views

Why is the new mRNA vaccine unable to modify human DNA?

One of the most common worries expressed against the new coronavirus vaccine is that, supposedly, injecting mRNA into a cell has the potential to alter the human genome. I am constantly bombarded by ...
7
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2answers
605 views

Low voltage exposure

I know that there is a lot of information regarding the dangers of life-threatening levels of electricity, but I have not seen much about the dangers of low voltages of electricity. For example, I ...
6
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1answer
474 views

Does taking medication lose hyperfocus on ADHD?

I wonder if taking medication to deal with unconcentration on ADHD would lose hyperfocus, which is considered one of the advantage of ADHD. I understand taking medication on ADHD have a side effect ...
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1answer
236 views

Can COVID-19 vaccines cause birth defects?

Have regulators historically allowed enough time for Phase 3 trials to show that a vaccine does not cause congenital defects? Are they making an exception for Covid vaccines? Because the Pfizer/...
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1answer
2k views

Does ecdysterone supplementation have any deleterious side effects?

Ecdysterone supplementation has been shown to have a significant anabolic effect {1}: Significantly higher increases in muscle mass were observed in those participants that were dosed with ...
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Are there any educated guesses related to the type and probability of severe side effects caused by the COVID-19 vaccines?

Multiple countries have already started the COVID-19 vaccination. Local media covered this extensively and I saw that many medical doctors and researchers arguing that the vaccines are very safe ...
3
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1answer
120 views

Covid vaccine side effects [closed]

The Pfizer Covid vaccine caused allergic reactions. For patients that are deemed to be at an increased risk of adverse side effects following a risk assessment (e.g. because of diabetes, heart disease)...
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1answer
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How frequently does the use of topical imiquimod result in permanent scarring and/or skin discoloration?

I wonder how frequently the use of topical imiquimod cream results in permanent scarring and/or skin discoloration (e.g., hyper- or hypopigmentation). What I have found so far doesn't give any source ...
-1
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1answer
82 views

Is calling dexamethasone a "psychoactive steroid medication" correct use of the term psychoactive? Because it has reported psychological side effects?

Pete Buttigieg has a decent educational and professional background and good command of the English language and some appreciation for facts, which is why I call this choice of words into question and ...
4
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1answer
151 views

How to decide which painkiller to take?

This is a dilemma I find myself in every time I'm in need of a painkiller: should I take paracetamol (acetaminophen), ibuprofen or aspirin? I've come across several articles outlining the differences ...
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1answer
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A Good Side Effect of Zoloft? [closed]

I’m a 70-year-old male. I had been using eyeglasses since I was 12 and near-sighted (eventually reaching 20/400 by the time I was 18), and needed bifocals at about 50 y.o. About 20 years ago I started ...
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corona virus vaccine side effects [closed]

First I like to mention that I have no medical background I have read that there are 2 types of vaccines for the corona virus currently developed A RNA based vaccine, which is based on a novel ~...
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Does sulfasalazine share other positive or negative effects associated with aspirin due to its salicylate component?

tl;dr: The common drug sulfasalazine "...should not be used in people allergic to aspirin..." because it contains salicylate. Is it known to share other positive or negative effects ...
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1answer
173 views

Why isn't paracetamol routinely combined with n-acetylcysteine?

Whether it's acute large dose paracetamol or long term regular dosage of paracetamol usage, it is a problem for the liver, ototoxic and even potentially life-threatening. While one might question the ...
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2answers
4k views

Can MRI scans be dangerous for one's health?

Can MRIs have any deleterious effect on one's health? Or would it be safe to have say 5 MRIs per year?
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1answer
302 views

Are there any untoward synergistic effects in taking a combination of acetaminophen plus ibuprofen?

A number of years ago, it became popular to advocate a combination of acetaminophen and ibuprofen (or other non-steroidal anti-inflammatory medication) at the usual higher doses — e.g., 1,000 mg ...
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1answer
62 views

Intravenous morphine as painkiller for woman in labor and possible side effects in the newborn

If an intravenous morphine injection is given as a painkiller to a pregnant woman during childbirth, what side effects should we look out for in the newborn, and if so, what should we do for the baby?
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What are the long term effects of Lidocain injections to treat a tendinopathy?

Lidocain injections are often regarded as a potential replacement for corticosteroid injections, as the latter have been demonstrated to weaken tendons in the long-term (> 6 months). What are the ...
4
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1answer
164 views

How does amiloride increase calcium reabsorption in the kidneys?

Amiloride is a potassium-sparing diuretic that acts on the distal convoluted tubule and collecting ducts to inhibit ENaC channels. I found studies that show that this drug increases calcium ...
4
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1answer
18k views

Could any vaccines be dangerous for people with G6PD enzyme deficiency?

I have searched a lot, but didn't find an answer for this: Are there any vaccines that could be dangerous for people with G6PD enzyme deficiency? About G6PD enzyme deficiency: http://www.g6pd.org/
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Other than death, what are the potential long-term health impacts on individuals infected with COVID-19?

There is a lot of concern about deaths resulting from or exacerbated by SARS-CoV-2 infections, but I can find little about the potential long-term health impacts on those who 'recover' (understandably,...
4
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1answer
1k views

How common are tics as a side-effect when taking Lamotrigine? [closed]

I am on Lamotrogine (specifically in the form Epitec). Last week my dose was raised by 25mg (from 200mg/day to 225mg/day). Over the last couple of days I have developed a tic in my eyes. At first it ...
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38 views

Is there a greater benefit as as to why an ob-gyn will prescribe a birth control with higher risk of Venous Thromboembolism?

It is already known that combined oral contraceptive (COCs) pills increase the risk of serious complications such as Venous Thromboembolism. However there are other options that have relatively much ...
6
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1answer
3k views

Is Glue on Chocolate and other Wrappers Safe/ Edible?

Is the glue from the wrappers on chocolate bars (Yorkie for example) and other foods safe to eat and consume (sometimes it gets stuck on the product)? I tried researching but came up blank... I am ...
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1answer
3k views

Do the broken mercury thermometer causes any health problem or poisoning?

While using a mercury thermometer if it breaks and the mercury content in it is accidentally swallowed will it cause poisoning? and will it cause any long term effects or side effects on the body of ...
4
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1answer
195 views

Frequency of drug side effect listed as "unknown"

I'm looking at the side effects of Madopar, and all of them are listed as "unknown frequency". How can frequency be unknown? Even if just one of a million patients got a certain side effect, that ...
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2answers
269 views

Why is it that psychoactive drugs tend to be dangerous?

I'm personally not a big fan of recreational drugs, illicit or otherwise, but there's an interesting medical question buried in their use. Why is it that substances that make you feel good tend to be ...
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0answers
47 views

Is there a measure for the severity of adverse effects of a medication?

When I search for the adverse effects of medications, what I usually find is a list of effects and their occurance rate. But it's evident that different medications cause adverse effects with ...
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2answers
115 views

Why does acne get worse during the first two weeks of treatment with isotretinoin?

I've heard and read from multiple sources that acne gets worse during the first two weeks of treatment with isotretinoin, but I haven't been able to find an explanation as to why this happens. From ...
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Is it possible for a specific brand of a vaccine (for Leptospirosis in dogs) to cause hepatic side effects?

I am a veterinarian in Europe and I am facing an unusual case. Within the last month, I have seen two different young dogs (3 years and 4 years old) to whom I administered a tetravalent vaccine for ...
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1answer
37 views

Longterm effects on DNA of aciclovir

Since aciclovir works by decreasing the production of the virus's DNA, one might fear that it also damages DNA of healthy cells. I know that it is usually said that aciclovir doesn't affect healthy ...
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1answer
48 views

Impact of Various "Feminizing" Hormones on Metabolism

I've read that progesterone is linked to changes in metabolism and appetite, and that those undergoing hormone therapy with progesterone often experience profound changes in hunger and meal habits. I ...
2
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1answer
148 views

Mosquito repellent using vaporized camphor - Health Issues

I live in a tropical region and have mosquito problems in the evening. We normally use the commercial mosquito repellent liquid vaporizers. But these are said to be toxic in long term usage. So I was ...