Usage The drug works best when taken 15-25 minutes before initiating sexual activity. The dosage should not increase more than once in a day (24 hours). Overdose An overdose of the drug may have adverse effects that require immediate medical attention. Contact the nearest emergency poison control center immediately. Storage Store Kamagra Oral Jelly at room temperature 15 and 30 degrees C (59 and 86 degrees F). Always keep it in a cool dark place that is not directly exposed to sources of heat or moisture and sunlight. Protect it from kids and pets.