Tadalis SX

Common use

Tadalis SX is a form of Generic Tadalafil used in the treatment of erectile dysfunction. Tadalis SX is prescribed in men with problems to get and keep erection, it acts only with sexually stimulation. The medication is Phosphodiesterase type 5 inhibitor drug. The medication relaxes blood vessels in the penis to relax allowing the blood to flow in the penis. Tadalis is not expensive because its manufacturers do not have to invest in marketing, promotion or development.



Dosage and direction

Tadalis SX tab of 20 mg should be taken about half an hour before beginning of any sexual activity. Take it orally and swallow with water with or without a meal. Medication becomes effective within 30 minutes after its intake and lasts up to 36 hours.



Precautions

The medication is not meant to be used in women and children. Take exactly as prescribed and do not exceed the recommended dose. Tadalis SX cannot be recommended in patients who were warned against sexual activity due to heart problems. Do not take with other medications for treatment of erectile dysfunction if your doctor did not advise you the other. Avoid taking with high-fat food and alcohol as it may make Tadalis SX action less effective. Inform your doctor if you have sickle cell anemia, myeloma, leukaemia, or any deformation of your penis, severe renal or hepatic impairment.



Contraindications

Tadalis SX is contraindicated in individuals concomitantly treated with nitrates as it may lead to sudden and life threating drops in blood pressure.



Possible side effect

Adverse reactions to the medication may include headache, myalgia (muscle pain), back pain, dyspepsia (indigestion), heartburn, flushing, running nose, general blurriness of vision, inability to distinguish blue and green colors, diarrhea, and urinary tract infections. Lowering of the dose can minimize the effects. Less frequent side effects are rashes on the face, increased sensitivity to light, chills, loss of balance, chest pain, and weakness, migraines, abnormal liver function, colitis, dry mouth, gingivitis, heart failure, increased heart rate, low blood pressure, fainting due to a drop in your blood pressure, and the formation of blood clots.



Drug interaction

Never take Tadalis SX with any medication which contain nitrates for example ones to treat angina such as nitro-glycerine (in form of tablets, ointments, sprays, skin patches or pastes) isosorbide mononitrate and isosorbide dinitrate, or recreational drugs ("poppers") such as amyl nitrate or nitrite.



Missed dose

The medication is taken when needed. Do not exceed the recommended dose.



Overdose

In case of suspected overdose seek for urgent medical attention.



Storage

Keep at room temperature in a dry tight container out of reach of children and pets. Do not store after the expiration term, throw away any unused medicine.



Disclaimer

We provide only general information about medications which does not cover all directions, possible drug integrations, or precautions. Information at the site cannot be used for self-treatment and self-diagnosis. Any specific instructions for a particular patient should be agreed with your health care adviser or doctor in charge of the case. We disclaim reliability of this information and mistakes it could contain. We are not responsible for any direct, indirect, special or other indirect damage as a result of any use of the information on this site and also for consequences of self-treatment.

Clinical Verification

Last Clinically Updated: August 15, 2026

Written By

Dr. Elena Vance, PharmD

Clinical Specialist in Neuropharmacology

Fact Checked By

Marcus Thorne, MS

Biomedical Data & FDA Label Verification

Medically Reviewed By

Dr. Arthur Campbell, MD

Board-Certified Psychiatrist (ABPN)