Tadalafil Teva Tablets (5mg, 10mg, 20mg)

Typically, a dose of 20 mg should be taken as needed, at least 30 minutes prior to sexual activity. It has been demonstrated that this drug starts working within 30 minutes of taking the tablet and continues working for up to 36 hours.

Check with a doctor immediately if any of the following side effects occur:

Less common

• Arm, back, or jaw pain

• blurred vision

• chest pain, discomfort, tightness, or heaviness

• chills

• cold sweats

• confusion

• dizziness

• fainting

• faintness or lightheadedness when getting up suddenly from a lying or sitting position

• fast or irregular heartbeat

• headache

• hearing loss

• increased erection

• nausea

• nervousness

• pain or discomfort in the arms, jaw, back, or neck

• pounding in the ears

• slow or fast heartbeat

• spontaneous penile erection

• sweating

• unusual tiredness or weakness

• vomiting

Rare

• Painful or prolonged erection of the penis

• Incidence not known

• Blindness

• blistering, peeling, or loosening of the skin

• cough

• cracks in the skin

• decrease or change in vision

• diarrhoea

• difficulty with speaking

• double vision

• fast, irregular, pounding or racing heartbeat or pulse

• headache, severe and throbbing

• hives or welts, itching, skin rash

• inability to move the arms, legs, or facial muscles

• inability to speak

• joint or muscle pain

• loss of heat from the body

• numbness or tingling of the face, hands, or feet

• red skin lesions, often with a purple centre

• red, irritated eyes

• red, swollen skin

• redness of the skin

• redness or soreness of the eyes

• scaly skin

• slow speech

• sores, ulcers, or white spots in the mouth or on the lips

• stomach pain

• sudden cardiac death

• swelling of the feet or lower legs

There are certain potential side effects that often do not require medical treatment. During treatment, these side effects could fade away as your body gets used to the medication. 
Additionally, your healthcare provider might be able to provide you with information on how to avoid or lessen some of these side effects. If any of the following side effects persist, are troublesome, or if you have any questions about them, speak with your doctor:

More common

• Belching

• heartburn

• indigestion

• stomach discomfort, upset, or pain

• Less common

• Bloody nose

• body aches or pain

• burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings

• burning, dry, or itching eyes

• burning feeling in the chest or stomach

• congestion

• difficulty with moving

• difficulty with swallowing

• dry mouth

• dryness or soreness of the throat

• excessive eye discharge

• eye pain

• feeling of constant movement of self or surroundings

• feeling of warmth, redness of the face, neck, arms and occasionally, upper chest

• fever

• hoarseness

• lack or loss of strength

• loose stools

• muscle aching, cramping, or stiffness

• neck pain

• pain in the arms or legs

• pain or burning in the throat

• redness, pain, swelling of the eye, eyelid, or inner lining of the eyelid

• reduced sensitivity to touch

• runny or stuffy nose

• sensation of spinning

• sleepiness or unusual drowsiness

• stomach upset

• swelling of the eyelids

• swelling or puffiness of the eyes or face

• swollen joints

• tearing

• tender, swollen glands in the neck

• tenderness in the stomach area

• trouble with sleeping

• upper stomach pain

• voice changes

• watering of the eyes

Rare

• Changes in colour vision

Some people may also experience unlisted side effects. Consult a doctor or pharmacist if you experience any other side effects.