Notes

How to use Viagra?


You must take Viagra ® orally (by mouth).
Adult use

50 mg as a single dose, given as needed and approximately 1 hour before intercourse. According to efficacy and tolerability, the dose can be increased to a maximum recommended dose of 100 mg or reduced to 25 mg. The maximum recommended dose is 100 mg. The maximum recommended frequency of Viagra ® is once a day.
Ritonavir users

Maximum single dose of 25 mg Viagra ® within a 48 hour period.
Patients with severe renal impairment (reduced kidney function), liver failure (reduced liver function) or users of CYP3A4 inhibitors

Consider starting dose of 25 mg, increasing if necessary.

Follow your doctor's advice, always respecting the times, doses and duration of treatment.

Do not stop treatment without your doctor's knowledge.

This medicine must not be broken, opened or chewed.
What should I do when I forget to use Viagra?

비아그라 구입 ® is an on-demand (use as needed) drug. If you forget to use this medicine, take it as soon as you remember if you want the medicine to have its expected effect.

If in doubt, seek advice from your pharmacist or doctor or dentist.
What precautions should I take when using Viagra?

Sexual activity increases the demand on the heart and can increase the risk of heart attacks during intercourse, so doctors may order an assessment of cardiovascular (heart and blood vessel) status before using Viagra ® .

If you have medical reasons that advise against sexual activity, the use of Viagra ® is not recommended. If you have ever had any form of non-arteritic Ischemic Optic Neuropathy (damage to the optic nerve due to reduced amount of blood) or hereditary retinitis pigmentosa (disease of the retina, the region of the eye where the image is formed) the use of Viagra ® should be carefully discussed with your doctor as this medicine may increase the risk of this type of situation.
Viagra ® should be used with caution in patients with:

Anatomical deformations of the penis (such as angulation, cavernous fibrosis or Peyronie's disease);
Conditions that may predispose them to priapism (persistent and painful erection of the penis), such assickle cell anemia (inherited disease of red blood cells), multiple myeloma or leukemia (types of blood cancer ) and;
Bleeding disorders (bleeding) or withactive peptic ulcer (sore in the stomach and/or in the lower part of the intestine).

If you notice sudden decrease or loss of hearing and/or vision, immediately stop using Viagra ® and consult your doctor.

As dizziness and vision changes have been reported in clinical trials with Viagra ® , patients should be aware of how they react to Viagra ® before driving or operating machinery.

If an erection persists for more than four hours, seek medical attention immediately.

Consult your doctor or pharmacist if you are not sure whether you use any of these medications.
What are the adverse reactions and side effects of Viagra?

Very common reaction (occurs in more than 10% of patients using this medication): headache ( headache ).
Common Reaction (occurs between 1% and 10% of patients using this medication): dizziness , blurred vision, visual disturbances, cyanopsia (seeing blue coloring in all objects), hot flashes, flushing (redness), nasal congestion, nausea (nausea), dyspepsia (poor digestion).
Uncommon reaction (occurs between 0.1% and 1% of patients using this medication): rhinitis (inflammation of the nasal mucosa), hypersensitivity (allergic reaction), drowsiness, eye pain, photophobia (intolerance to light), photopsia (sensation of seeing flashing lights or colors), chromatopsia (objects are perceived in different colors than the original), ocular hyperemia (reddened eyes), visual blurring, tachycardia (rapid heartbeat), palpitation, hypotension (low blood pressure), epistaxis (nosebleeds) ), sinus congestion, gastroesophageal reflux disease (when stomach contents back up into the esophagus), vomiting , upper abdomen pain, dry mouth, rashrash, myalgia (muscle pain), pain in extremities, feeling hot and increased heart rate.
Rare Reaction (occurs between 0.01% and 0.1% of patients using this medicine): Convulsion (epileptic seizure), recurrent seizure, syncope (fainting), eye swelling , eye swelling, dry eyes, asthenopia ( tiredness )vision), halo vision (bright rim around bright lights), xanthopsia (seeing yellow color in all objects), erythropsia (seeing red color in all objects), eye disorder, conjunctival hyperemia (white part of the eye) redness), eye irritation, abnormal eye sensation, eyelid swelling (swelling of the eyelid), throat tightness or tightness, nasal dryness (dry nose), nasal swelling (nose swelling), oral hypoesthesia (decreased sensation in the mouth ), priapism (persistent and painful erection of the penis), increased erection and irritability.

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