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Drug Side Effects

Please note - many side effects of medications may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA at or 1-800-FDA-1088 (1-800-332-1088).

Information about Drug Side Effects

A side effect is usually regarded as an undesirable secondary effect which occurs in addition to the desired therapeutic effect of a drug or medication. Side effects may vary for each individual depending on the person's disease state, age, weight, gender, ethnicity and general health.

Side effects can occur when commencing, decreasing/increasing dosages, or ending a drug or medication regimen. Side effects may also lead to non-compliance with prescribed treatment. When side effects of a drug or medication are severe, the dosage may be adjusted or a second medication may be prescribed. Lifestyle or dietary changes may also help to minimize side effects.

Side Effects A-Z Index:


A + D Cracked Skin Relief → Acid Reducer Non-Prescription Strength Acid Reducer Original Strength → Advil Film-Coated Advil Infant's Concentrated Drops → Aldroxicon I Aldroxicon II → Allres Pd Allres-G → Aminosalicylic acid Aminosyn → Anti-thymocyte globulin (rabbit) Anti-Tuss → ArteFill Artemether / lumefantrine → Avandaryl Avandia → Azurette


B & O Supprettes → Bekyree Belatacept → Bethkis Betimol → BPM PE DM BPO → Buproban Bupropion → Byvalson


C Phen → Capron DM Capron DMT → Ceclor CD Ceclor Pulvules → Cetrorelix Cetrotide → Chlorzoxazone Choice OB plus DHA → Clevidipine Cleviprex → Colic Drops Colicon → Cort-Dome High Potency Cort-K → Cypex-LA Cyproheptadine → Cytuss HC


D 1000 IU → Deconsal II Deconsal LA → Dermarest Rosacea DermaSarra → Dextromethorphan / phenylephrine / triprolidine Dextromethorphan / promethazine → Dimetapp Toddler's Drops Decongestant Plus Cough Dimethicone / zinc oxide topical → Doravirine / lamivudine / tenofovir Dorcol Childrens Cough → Duradal HD DuraDEX → Dyzbac


E Pherol → Emicizumab Eminase → Equi-Natal Plus Equi-Natal Rx → Evolocumab Evomela → Ezol


FA-8 → Fiberall Fiberall Tablets → Flutex Fluticasone → Fusion Sprinkles with Probiotic Fuzeon → Fycompa


G Bid → Gentex HC Gentex LA → Gramicidin / neomycin / polymyxin b ophthalmic Granisetron → Gynovite


H 9600 SR → HiDex High B Complex → Hydrocof-HC Hydrocort cream → Hyzine


I-Fol Plus → Inova Inova 4 / 1 → Isopto Homatropine Isopto Hyoscine → Izba


J-Max → Jynarque


K + Potassium → Klorvess Klorvess Effervescent → Kytril


L Thyroxine Roche → Levlen Levlite → Lisdexamfetamine Lisinopril → Luden's Honey Licorice Throat Drops Luden's Original Menthol Throat Drops → Lyza


M O S → Maxichlor PEH Maxichlor PEH DM → Menthocin Patch with Lidocaine Menthoderm → Micro-Guard Micro-K → Monodox Monoject Prefill Advanced → Mycasone Mycelex → MZM