Taking viagra can do harm in some situations, as there are allergic persons components of the formula or with pathologies which can aggravate with the associated use of viagra.
Viagra (Sildenafil), initially indicated to treat pulmonary hypertension, was more popular with the treatment of erectile dysfunction. He presents drug interaction with other medicines and can not be used with medicines nitrate base, indicated for treating heart disease.
Viagra increases blood flow to the penis and along with sexual activity can increase heart overload. Therefore, people who have heart problems should be evaluated before they start taking the medication.
The Side effects depending on the dosage used and each person, may be: headache, dizziness, hypotension, flushing or itching of the skin, embarrassed vision, palpitation, chest pain, stomach pain, vomiting, nosebleeds and tinnitus.
Lastly, it should be noted that no more than 1 tablet should be used within 24 hours.
