Common Side Effects of Non-Prescription Sildenafil Products

Erectile dysfunction can be an early

Adverse effects

Journal of Ethnopharmacology, 62(3), 215–222. Ginsenoside Rg1 improves male copulatory behavior via nitric oxide/cyclic guanosine monophosphate pathway. The Journal of Sexual Medicine, 7(2 Pt 1), 743–750. Effects of Panax ginseng on glial cell-derived neurotrophic factor (GDNF) expression and spermatogenesis in rats. Phytotherapy Research: PTR, 25(2), 308–311.

A Word From Verywell

Niacin in the Central Nervous System: An Update of Biological Aspects and Clinical Applications. International Journal of Molecular Sciences, 20(4). Structure/function analyses of human sex hormone-binding globulin: effects of zinc on steroid-binding specificity. The Journal of Steroid Biochemistry and over the counter drugs containing sildenafil Molecular Biology 85(2-5):195-200. Methylsulfonylmethane: Applications and Safety of a Novel Dietary Supplement. warning sign of coronary heart disease.

• Consumers should avoid buying sildenafil OTC from unverified websites.
• Some OTC sildenafil may be packaged as natural or herbal alternatives.
• Over-the-counter availability depends on the country’s drug regulations.
• OTC sildenafil is intended for occasional use, not daily therapy.
• Keep track of dosage instructions even for OTC products.

This test will help you to

determine your risk and take action sooner.

7. Propionyl L-Carnitine

Take a simple blood test to uncover what’s really going on. Speak with our men’s health experts to make a plan that tackles the root cause, not just the symptoms. Around 40% of men with erectile dysfunction have an underlying health issue that may contribute to their symptoms.1 We provide a comprehensive assessment of key health areas linked to ED to help identify possible causes. Optimal levels of testosterone ensure healthy bodily functions. Lower levels of the hormone can impact libido, sexual function, energy, and mood. High cholesterol levels impact blood flow around the body

What can I take in place of sildenafil citrate?

Treatment for erectile dysfunction is aimed at enabling a man to achieve and maintain an erection for sexual intercourse. Certain over-the-counter (OTC) supplements may help with erectile dysfunction, such as: Korean red ginseng (also called panax ginseng) Studies have shown improvements in erections Carnitine (propionyl-L-carnitine) May improve erectile dysfunctionAlso used to enhance the effectiveness of sildenafil (Viagra) Also used to enhance the effectiveness of sildenafil (Viagra) Dehydroepiandrosterone (DHEA) Declines in DHEA are associated with increased incidence of EDDHEA supplements are often promoted to improve sexual health, though more study is needed Declines in DHEA are associated with increased incidence of ED DHEA supplements are often promoted to improve sexual health, though more study is needed Tell your doctor before taking any over-the-counter supplement. Use caution with any product that claims to be a non-prescription “herbal Viagra.” Some of these products contain the actual drug, sildenafil, which should only be taken when prescribed by a doctor. They may also contain unlabeled ingredients that can cause serious side effects or interact with other medications you take. In addition to sildenafil (Viagra), medications used to treat erectile dysfunction include: Phosphodiesterase-5 inhibitors Tadalafil (Cialis)Vardenafil (Levitra)Avanafil (Stendra) Testosterone replacement therapy Used when man's testes do not produce sufficient amounts of the hormone testosteroneDoes not work to improve sexual function in men who produce normal amounts of testosterone Used when man's testes do not produce sufficient amounts of the hormone testosterone Does not work to improve sexual function in men who produce normal amounts of testosterone Lifestyle modifications to treat erectile dysfunction may include: Weight loss in men who are obese Talk to your doctor about using different medications to treat hypertension and pain Do not stop taking any prescribed medication without first talking to your doctor Do not stop taking any prescribed medication without first talking to your doctor Psychotherapy and psychoactive medications may be recommended for men who have erectile dysfunction due to depression and/or anxiety.

Regional issues

Counseling with a sex therapist may be helpful for men with performance anxiety. Medical treatments used to treat erectile dysfunction may include: Penile self-injection A medication (alprostadil or papaverine) is self-injected into the two chambers of the penis that are filled with spongy tissue and blood (corpora cavernosa) to cause an erection by allowing the blood vessels within the penis to expand so the penis swells and stiffens to create a fully rigid erection A medication (alprostadil or papaverine) is self-injected into the two chambers of the penis that are filled with spongy tissue and blood (corpora cavernosa) to cause an erection by allowing the blood vessels within the penis to expand so the penis swells and stiffens to create a fully rigid erection Intraurethral alprostadil (MUSE) Uses the same medication (alprostadil) as penile self-injection but instead a man inserts a device with an alprostadil pellet (suppository) into the urethra to create an erection Uses the same medication (alprostadil) as penile self-injection but instead a man inserts a device with an alprostadil pellet (suppository) into the urethra to create an erection Vacuum-assisted erection devices Involves placing the penis into a plastic cylinder and creating a vacuum around the penis to increase blood flow into the penisA rigid ring is placed at the base of the penis to hold the blood inside the penis, keeping it erect Involves placing the penis into a plastic cylinder and creating a vacuum around the penis to increase blood flow into the penis A rigid ring is placed at the base of the penis to hold the blood inside the penis, keeping it erect Penile prostheses Surgically implanted devices that inflate to allow the penis to become erect Surgically implanted devices that inflate to allow the penis to become erect Limited blood flow to the penis Cigarette smokingObesityDiabetesHigh blood pressure (hypertension)AgingPrescription medications, such as antihypertensive medications Neurological causes DiabetesStrokeProstate surgery that damage nerves to the penisPelvic traumaSpinal cord or back injuryMultiple sclerosisDementiaPrevious episodes of prolonged erection (priapism) Prostate surgery that damage nerves to the penis Drugs that affect the nervous system or that lower testosterone levels or inhibit testosterone action NicotineAlcoholOpioidsBlood pressure medications, such as beta-blockersAntidepressants, particularly selective serotonin reuptake inhibitors (SSRIs)SpironolactoneSympathetic blockers such as clonidine, guanethidine, or methyldopaThiazide diureticsKetoconazoleCimetidineRecreational drugs, such as cocaine and heroin Blood pressure medications, such as beta-blockers Antidepressants, particularly selective serotonin reuptake inhibitors (SSRIs) Sympathetic blockers such as clonidine, guanethidine, or methyldopa Recreational drugs, such as cocaine and heroin Other risk factors Chronic kidney diseasePeripheral neuropathyAutonomic dysfunctionPeripheral vascular diseaseHypogonadismEndocrine disordersBicycling No names, no logos, no delivery fee. All content on this page has been medically reviewed by: Hassan Thwaini, Clinical Pharmacist and Copywriter, Master of Pharmacy (MPharm) on 30 March, 2026. Find the clinically proven ED treatment that suits you best. 4.6* sildenafil tablets lp 100 mg from over 33,000 people like you. and can therefore be

• Some OTC sildenafil options claim rapid results within 30 minutes.
• Regulatory agencies monitor sales of OTC sildenafil for safety.
• Pharmacists may provide guidance on OTC sildenafil use.
• Do not combine OTC sildenafil with alcohol or other substances.
• OTC sildenafil should not be used if you have certain health conditions.

a contributor to erectile dysfunction.

This test will give you a clear picture of your levels.

6. Horny Goat Weed

Efficacy and safety of pomegranate juice on improvement of erectile dysfunction in male patients with mild to moderate erectile dysfunction: a randomized, placebo-controlled, double-blind, crossover study. International Journal of Impotence Research, 19(6), 564–567. Role of homocysteine in the development of cardiovascular disease. The science of vacuum erectile device in penile rehabilitation after radical prostatectomy. Translational Andrology and Urology, 2(1), 61-66.

Can I take Viagra after I’ve had my prostate removed?

Zinc status and serum testosterone levels of healthy adults. Nutrition (Burbank, Los Angeles County, Calif.), 12(5), 344–348. Sperm quality in men is improved by supplementation with a combination of L-arginine, L-citrullin, roburins and Pycnogenol®. The Journal of Sexual Medicine, 16(2), 223–234. Erectile dysfunction (ED, or impotence) is a condition that causes men to be unable to acquire or maintain an erection. It's not just about being ready in the bedroom.

In the journals

The American Journal of Chinese Medicine, 36(5), 849–859. The effect of Emblica officinalis diet on lifespan, sexual behavior, and fitness characters in Drosophila melanogaster. Effect of vitamin D supplementation on testosterone levels in men. Hormone and Metabolic Research, 43(3), 223–225. Physical Activity to Improve Erectile Function: A Systematic Review of Intervention Studies.

Beware of counterfeit Viagra

Lifestyle modifications and erectile dysfunction: what can be expected? Penile traction therapy and Peyronie’s disease: a state of art review of the current literature. Therapeutic Advances in Urology, 5(1), 59-65. The effect of (L-)carnitine on weight loss in adults: a systematic review and meta-analysis of randomized controlled trials. Modulation of American ginseng on brainstem GABAergic effects in rats. Specialists in medicine, nutrition,

Side Effects

Here’s the breakdown of what happens in your body to get the blood flowing again:1 Arousal triggers cGMP, a molecule that boosts blood flow to the penis and helps you get an erection. In people with ED, an enzyme called PDE5 breaks down cGMP too quickly, reducing blood flow and causing the erection to fade. ED treatments block PDE5, helping more blood reach the penis. This leads to firmer, longer-lasting erections. Treat the symptoms with ED medication, and get 50% off an ED blood test to investigate the underlying cause.2-5 1 in 3 men with ED have low-T If left untreated, leads to higher risk of stroke and heart attacks 62% of people with heart disease have ED If left untreated, vascular problems can be fatal 65% of men with diabetes have ED Around 80-85% of people with type 2 diabetes are overweight or obese Untreated diabetes can lead to blindness, kidney failure and heart attacks Reclaim your confidence in the bedroom with clinically proven ED treatments delivered to your door. performance, and sexual health.