
Drugs that may cause erection problems
Impotence caused by medicines; Drug-induced erectile dysfunction; Prescription medicines and impotenceInformation
Many medicines and recreational drugs can affect a man's sexual arousal and sexual function. What causes erection problems (also called erectile dysfunction or ED) in one man may not affect another man.
Erection problems
An erection problem occurs when a man cannot get or keep an erection that is firm enough for intercourse. You may not be able to get an erection at ...

Talk to your health care provider if you think that a medicine or drug is having a negative effect on your sexual performance. Never stop taking any medicine without first talking to your provider. Some medicines may lead to life-threatening reactions if you do not take care when stopping or changing them.
The following is a list of some medicines and drugs that may cause erectile dysfunction (ED) in men. There may be additional drugs other than those on this list that can cause erection difficulties.
- Amoxapine (Asendin)
- Antidepressants and other medicines for mental health conditions
- Buspirone (Buspar)
- Chlordiazepoxide (Librium)
- Chlorpromazine (Thorazine)
- Clomipramine (Anafranil)
- Clorazepate (Tranxene)
- Desipramine (Norpramin)
- Diazepam (Valium)
- Doxepin (Sinequan)
- Fluoxetine (Prozac)
- Fluphenazine (Prolixin)
- Imipramine (Tofranil)
- Isocarboxazid (Marplan)
- Lorazepam (Ativan)
- Meprobamate (Equanil)
- Mesoridazine (Serentil)
- Nortriptyline (Pamelor)
- Oxazepam (Serax)
- Phenelzine (Nardil)
- Phenytoin (Dilantin)
- Sertraline (Zoloft)
- Thioridazine (Mellaril)
- Thiothixene (Navane)
- Tranylcypromine (Parnate)
- Trifluoperazine (Stelazine)
Antihistamine medicines (certain classes of antihistamines are also used to treat heartburn):
- Cimetidine (Tagamet)
- Dimenhydrinate (Dramamine)
- Diphenhydramine (Benadryl)
- Hydroxyzine (Vistaril)
- Meclizine (Antivert)
- Nizatidine (Axid)
- Promethazine (Phenergan)
- Ranitidine (Zantac 360)
High blood pressure medicines and diuretics (water pills):
- Atenolol (Tenormin)
- Bethanidine
- Bumetanide (Bumex)
- Captopril (Capoten)
- Chlorothiazide (Diuril)
- Chlorthalidone (Hygroton)
- Clonidine (Catapres)
- Enalapril (Vasotec)
- Furosemide (Lasix)
- Guanabenz (Wytensin)
- Guanethidine (Ismelin)
- Guanfacine (Tenex)
- Haloperidol (Haldol)
- Hydralazine (Apresoline)
- Hydrochlorothiazide (Esidrix and others)
- Labetalol (Normodyne)
- Methyldopa (Aldomet)
- Metoprolol (Lopressor)
- Nifedipine (Adalat, Procardia)
- Phenoxybenzamine (Dibenzyline)
- Phentolamine (Regitine)
- Prazosin (Minipress)
- Propranolol (Inderal)
- Reserpine (Serpasil)
- Spironolactone (Aldactone)
- Triamterene (Maxzide)
- Verapamil (Calan)
Thiazides are the most common cause of erectile dysfunction among the high blood pressure medicines. The next most common cause is beta blockers. Alpha blockers tend to be less likely to cause this problem.
Parkinson disease medicines:
- Benztropine (Cogentin)
- Biperiden (Akineton)
- Bromocriptine (Parlodel)
- Levodopa (Sinemet)
- Procyclidine (Kemadrin)
- Trihexyphenidyl (Artane)
Chemotherapy and hormonal medicines:
Chemotherapy
The term chemotherapy is used to describe cancer-killing drugs. Chemotherapy may be used to:Cure the cancerShrink the cancerPrevent the cancer from ...

- Antiandrogens (Casodex, Flutamide, Nilutamide)
- Busulfan (Myleran)
- Cyclophosphamide (Cytoxan)
- Ketoconazole
- LHRH agonists (Lupron, Zoladex)
- LHRH antagonist (Firmagon)
Other medicines:
- Aminocaproic acid (Amicar)
- Atropine
- Clofibrate (Atromid-S)
- Cyclobenzaprine (Flexeril)
- Cyproterone
- Digoxin (Lanoxin)
- Disopyramide (Norpace)
- Dutasteride (Avodart)
- Estrogen
- Finasteride (Propecia, Proscar)
- Furazolidone (Furoxone)
- H2 blockers (Tagamet, Zantac, Pepcid)
- Indomethacin (Indocin)
- Lipid-lowering agents
- Licorice
- Metoclopramide (Reglan)
- Nonsteroidal anti-inflammatory drugs (NSAIDs such as ibuprofen and naproxen)
- Orphenadrine (Norflex)
- Prochlorperazine (Compazine)
- Pseudoephedrine (Sudafed)
- Sumatriptan (Imitrex)
Opiate analgesics (painkillers):
- Codeine
- Fentanyl (Innovar)
- Hydromorphone (Dilaudid)
- Meperidine (Demerol)
- Methadone
- Morphine
- Oxycodone (Oxycontin, Percodan)
Recreational drugs:
-
Alcohol
Alcohol
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- Barbiturates
-
Cocaine
Cocaine
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- Heroin and other opioids
- Nicotine
References
Burnett AL, Ramasamy R. Evaluation and management of erectile dysfunction. In: Partin AW, Dmochowski RR, Kavoussi LR, Peters CA, eds. Campbell-Walsh-Wein Urology. 12th ed. Philadelphia, PA: Elsevier; 2021:chap 69.
Liu JL, Bivalacqua TJ. Erectile dysfunction. In: Sidawy AN, Perler BA, eds. Rutherford's Vascular Surgery and Endovascular Therapy. 10th ed. Philadelphia, PA: Elsevier; 2023:chap 191.
Waller DG. Erectile dysfunction. In: Waller DG, ed. Medical Pharmacology and Therapeutics. 6th ed. Philadelphia, PA: Elsevier Limited; 2022:chap 16.
Review Date: 1/1/2025
Reviewed By: Kelly L. Stratton, MD, FACS, Associate Professor, Department of Urology, University of Oklahoma Health Sciences Center, Oklahoma City, OK. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.