Uses

These tablets relax the muscles of the blood vessels and increase blood flow to some particular areas of the body.
Another brand of Sildenafil is called Revatio. It is generally used in the treatment of pulmonary arterial hypertension and generally improves exercise capacity in men and women.

Dosage

It is a prescription drug. So, take Sildenafil Citrate 100mg Oral Jelly exactly as it is prescribed to you. Following directions on the prescription label and reading all medication guides or instruction sheets is absolutely necessary.
It should be taken only when it’s a need, probably 30 minutes to 1 hour before any sexual activity. A person may take it up to 4 hours before sexual activity. Taking Kamagra more than once can be extremely harmful.
Kamagra has not been confirmed to be safe or effective in children less than 18 years.

Sildenafil Citrate 100mg Oral Jelly can cause various side effects that can be minor and major both.

Common side effects:

Serious side effects:

Low blood pressure. Symptoms may include blurry vision, nausea or vomiting, sleepiness, weakness, confusion, dizziness, fainting, lightheadedness.
It usually increases shortness of breath or trouble breathing.
Priapism is basically an erection that won’t go away and its symptoms can include: an erection that lasts more than 4 hours.
Vision problems: Sudden vision loss in one or both eyes.
Hearing problems: sudden hearing loss, tinnitus, dizziness.
Heart problems like heart attack, stroke, or irregular heart rate. Symptoms can include chest pain, shortness of breath, dizziness, trouble speaking, confusion, lightheadedness, nausea or vomiting.