Side effects of delaying your period a high fat meal may delay the time of the effect of this drug. Inform your doctor if you have hypotension or hypertension, cardiac failure, coronary artery disease, deformations of the penis, sickle-cell anaemia, multiple myeloma, leukaemia, retinitis pigmentosa, and also a history of cardiac dysfunction, myocardial infarction, stroke arrhythmia, life-threatening arrhythmia, cardiovascular problems, allergies. Do not take Super P-Force together with other ED medication. If you think you have used too much of this medicine seek emergency medical attention right away. The symptoms of overdose usually include chest pain, nausea, irregular heartbeat, and feeling light-headed or fainting.