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    Glossary Side Effects

    unintended reactions to a medication or treatment

    Side effects, also known as adverse effects or unwanted effects, are unintended reactions or outcomes that occur in addition to the desired therapeutic effect of a medication or treatment. These can range from mild, such as a headache or nausea, to severe, such as organ damage or allergic reactions. Understanding side effects is crucial for both patients and healthcare providers to manage and mitigate risks associated with medical treatments.

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    Research 10 of 1000+

    1. Side effects of androgen deprivation therapy: monitoring and minimizing toxicity Urology · 2003 · 228 citations
    2. Side-Effects of Spironolactone Therapy in the Hirsute Woman 1988 · 80 citations
    3. Side effects of carbamazepine, valproate and clonazepam during long-term treatment of epilepsy Acta Neurologica Scandinavica · 1983 · 55 citations
    4. Side effects of CHOP in the treatment of non-Hodgkin's lymphoma Cancer Nursing · 1997 · 46 citations
    5. Side effects of common acne treatments Expert Opinion on Drug Safety · 2012 · 38 citations
    6. Side Effects of 5‐Alpha Reductase Inhibitors: A Comprehensive Review Sexual medicine reviews · 2013 · 35 citations
    7. Side effects of sodium valproate during long-term treatment in epilepsy Acta neurologica Scandinavica · 2009 · 18 citations
    8. Side-effects and possible complications of oral contraceptive drugs. PubMed · 1980 · 11 citations
    9. Side effects after artificial hair implants: 2 case reports JAAD Case Reports · 2020 · 7 citations
    10. Side effects of low-dose oral minoxidil for treating alopecia Journal of The American Academy of Dermatology · 2021 · 6 citations
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    Community 10 of 1000+

    1. Why is their so much scare mongering and facts from people who are scared out of their mind because they got a side effect? Reddit · 10 Jun 2021
    2. 20M Considering Low-Dose Finasteride Due to Minimal Hair Loss and Side Effect Concerns Community · 21 Oct 2025
    3. Switching from finasteride to dutasteride for a lower/resolved side effect profile? Advice appreciated Community · 8 Oct 2025
    4. Side effects on oral minoxidil Reddit · 22 Sept 2026
    5. Dosage Advice for Finasteride and Differentiating Side Effects at 22 Community · 17 Aug 2026
    6. Conflicting Trichologist Advice: Dosing, Side Effects, and Mesotherapy Concerns Community · 12 Aug 2026
    7. 18 Starting Min/Fin Today Worried About Side Effects Community · 10 Aug 2026
    8. Should I Switch to Dut if Fin Causes Side Effects? Community · 6 Jun 2026
    9. How do I know if I’m really experiencing Finasteride side effects? Community · 5 Jun 2026
    10. Considering Lowering Finasteride Dosage at 18 Due to Side Effects Community · 29 Apr 2026
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    Learn 10 of 27

    1. Spironolactone Blood-pressure and diuretic drug with anti-androgen effects
    2. Bimatoprost Prostaglandin eye drop used for glaucoma and eyelash growth
    3. Latanoprost Prostaglandin eye drop used for glaucoma
    4. Minoxidil Vasodilator used on the scalp and, at low doses, as a tablet
    5. Tretinoin Vitamin A retinoid cream, prescribed for acne
    6. Adenosine Molecule the body uses for energy, used as a cosmetic hair-lotion ingredient
    7. Metformin Diabetes drug that lowers blood sugar
    8. Ketoconazole Antifungal, best known as a dandruff shampoo
    9. GT20029 Experimental topical drug designed to break down androgen receptors
    10. Alfatradiol Weak form of estrogen applied to the scalp
    All learn results →