Metformin can cause rare severe skin reactions.
January 2026 in “Frontiers in Pharmacology” Certain drugs can cause male infertility, so fertility counseling and sperm preservation are advised.
1 citations
,
July 1988 in “JAMA” Metronidazole can cause lung disease.
April 2026 in “BMC Oral Health” Finasteride can cause recurrent mouth ulcers.
September 2025 in “Clinical Case Reports” Oral minoxidil can cause dry mouth, but switching to topical minoxidil may prevent this side effect.
87 citations
,
October 1997 in “JAMA” Some vaccines might rarely cause hair loss, more research is needed.
273 citations
,
May 2017 in “The Lancet” Some drugs can cause rare but potentially deadly skin reactions, and early treatment and avoiding the drug again are key.
6 citations
,
September 1988 in “Drug intelligence & clinical pharmacy” Minoxidil caused a severe rash in a patient, which improved after stopping the drug.
10 citations
,
December 2002 in “International Journal of Dermatology” Cyproterone acetate can cause rare shortness of breath in women.
7 citations
,
July 1990 in “Journal of the American Academy of Dermatology” A woman with bullous pemphigoid had an allergic reaction to azathioprine, but got better with alternative treatments.
63 citations
,
March 1995 in “International Journal of Dermatology” Some drugs can cause hair loss, and stopping these drugs often leads to hair regrowth.
4 citations
,
January 2015 in “Pharmacology” Serenoa repens may cause early puberty and should be used cautiously in children.
Amphetamine use may not cause hair loss, "geezer" traits are normal aging, not all educated older people are stereotypes, and metronidazole can rarely cause lung disease.
23 citations
,
January 2009 in “Veterinary Dermatology” The hepatitis B vaccine did not cause hair loss in the tested mice.
116 citations
,
May 1992 in “The American Journal of Medicine” Flutamide rarely causes liver toxicity in prostate cancer patients.
18 citations
,
October 1984 in “International Journal of Dermatology” Lithium therapy may cause temporary hair loss, with possible regrowth if treatment is stopped or continued.
1 citations
,
January 2010 in “Elsevier eBooks” Any drug can cause skin reactions, but antibiotics, NSAIDs, and psychotropic drugs are more common, with some reactions being life-threatening.
5 citations
,
January 1998 in “Clinical and experimental dermatology” Myotonic dystrophy should be considered in patients with hair thinning, and genetic counseling is important.
130 citations
,
October 2006 in “Allergy” Allergic reactions to blood thinners are rare but can be serious, requiring careful testing and alternative treatments.
88 citations
,
June 2009 in “Cleveland Clinic Journal of Medicine” To manage diffuse hair loss, identify the cause, improve nutrition, remove triggers, and use specific treatments like minoxidil or finasteride.
67 citations
,
January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” Chronic Telogen Effluvium may resolve after years and is diagnosed by examining the patient's history and clinical signs, with treatment aimed at underlying causes and possibly minoxidil.
60 citations
,
March 2014 in “Veterinary dermatology” Cats with atopic dermatitis often have severe, year-round itching and respond well to certain treatments.
28 citations
,
September 2008 in “Current Pharmaceutical Design” Allergic reactions to blood thinners are rare but can be serious, requiring careful management and alternative treatments.
39 citations
,
June 1982 in “The BMJ” Blood tests confirmed a baby in the womb had a CMV infection.
11 citations
,
June 2011 in “Expert Review of Dermatology” Skin reactions to drugs are common and can be deadly, usually requiring stopping the drug and may be better prevented with genetic testing in the future.
98 citations
,
May 2010 in “British Journal of Dermatology” Isotretinoin is effective for severe acne but requires careful monitoring for side effects, especially in women who could become pregnant.
2 citations
,
October 2022 in “Current Allergy and Asthma Reports” Biologic therapies can cause various adverse events, but allergy/immunology clinicians can manage them.
1 citations
,
November 2021 in “British Journal of Clinical Pharmacology” Saw palmetto may cause erectile dysfunction and needs better safety monitoring.
September 2024 in “Journal of Clinical and Translational Endocrinology Case Reports” Biotin can interfere with lab tests, causing misdiagnosis.
90 citations
,
May 2019 in “Drugs” Long-term use of azole antifungals can cause hair loss, hormonal imbalances, and severe skin reactions.