Men's sexual issues like erectile dysfunction and impotence are also treated with kamagra 100 mg tablet. sildenafil, an ingredient in this medication, helps men achieve a strong erection during sexual activity. Take this medication an hour before sexual activity to ensure a fun and enjoyable time with your partner. This medication has a 3 to 6 hour half-life. Kamagra can be purchased from our store.  You should take this medication with water; do not crush or chew the tablet. Do not take this medication often as it has additional side effects. Only men who are at least eighteen years old should use this medication.