Cialis side effects

What side effects can Tadalafil have?

Below you will find the most important information about possible known side effects of Tadalafil.
These side effects do not occur, but you can. Because every person reacts differently to medication. Please also note that the type and frequency of side effects may vary depending on the drug formulation (eg tablet, syringe, ointment).

Very common side effects:
Headache, flushing and redness of the upper body (flush).

Common side effects:
Dizziness, stuffy nose, nausea, mild diarrhea.

Uncommon side effects:
Color vision disorders, increased tears, eye pain, conjunctivitis, accelerated heartbeat, palpitations, drop in blood pressure, rise in blood pressure, tremors, shortness of breath, nosebleeds, increase in liver enzymes in the blood, increased photosensitivity, water retention in the area facial, skin rash, contact dermatitis, back pain, muscle aches, drowsiness.

Rare side effects:
Hypersensitivity, anxiety disorders, increase in intraocular pressure, tinnitus, hypoperfusion of the heart muscle, angina pectoris, laryngeal edema, disorders of blood sugar (hypo- or hypoglycaemia), hematopoietic disorders such as reduction of white blood cells (leukopenia), reduction of red blood cells (anemia), muscle stiffness, painful erections lasting more than two hours (priapism).

Very rare side effects:
Short-term unconsciousness (syncope), seizures.

Special features:
In some cases irreversible damage to the optic nerve (non-arterial anterior ischemic optic neuropathy, NAION) has occurred. Whether a connection with the use of the drug is not known. If there are visual disturbances, patients should consult an ophthalmologist.

What interactions does Tadalafil show?

Please note that the interactions may vary depending on the drug formulation of a drug (eg tablet, syringe, ointment).

Anti-fungal agents such as itraconazole and ketoconazole or erythromycin (used to treat bacterial infections) and other drugs such as cimetidine or ritonavir (used to treat HIV infection), which also affect liver metabolism, potentiate and possibly increase the effects of tadalafil Frequency of its side effects.

Concomitant use of nitro-based vasodilators or alpha-adrenoceptor antagonists (alpha-sympatholytic agents) results in a mutual enhancement of effect. This can lead to a sharp fall in blood pressure, blood clotting disorders, and an increase in heart rate. These drugs should not be used together with Tadalafil.

Tadalafil should also not be taken with grapefruit juice. Grapefruit juice prevents the breakdown of Tadalafil in the body and may increase the frequency of its side effects.

Concomitant use of tadalafil and enzyme inducers such as rifamicin, phenobarbital, phenytoin and carbamazepine may reduce the effects of tadalafil.

Potential Cialis side effects may include: