Kamagra 50 mg has expired or deteriorated, the most reliable sign is the EXP/expiry date printed on the blister or carton. The expiry date refers to the last day of the stated month. Do not use it after that date. M Medicines.org.uk +1 Signs you should not use the tablet Even if the printed expiry date hasn't passed, avoid taking it if: The tablet has changed color significantly or looks different from the normal product. It is cracked, crumbling, unusually soft, swollen, or damaged. There are unusual spots, discoloration, powder, or Kamagra 50 mg . The blister is broken, punctured, or damaged, or the tablet was exposed to excessive heat/moisture. The packaging looks suspicious or the tablet's appearance doesn't match the manufacturer's description. For sildenafil tablets, storage conditions matter; many products are intended to be kept below about 30°C and protected from moisture. 1 1mg +1 Important: You cannot reliably tell from appearance alone whether an expired or poorly stored tablet still contains the correct amount of sildenafil. If you're unsure, it's safer to replace it. If you send me a photo of the Kamagra 50 mg strip/box (especially the EXP and LOT/batch information), I can help you interpret the expiry date and packaging.