Malegra FXT can cause muscle pain in some users, though it is not very common. Malegra FXT contains Sildenafil citrate (for erectile dysfunction) and Dapoxetine (for premature ejaculation). Sildenafil-related muscle pain: Some men report muscle aches, back pain, or limb pain a few hours after taking Sildenafil. This usually occurs due to changes in blood flow and typically resolves within 24–48 hours without treatment. Dapoxetine-related effects: Dapoxetine rarely causes muscle pain directly, though it can cause dizziness, Malegra FXT , or fatigue, which might make muscles feel sore indirectly. Other factors, such as dehydration, physical activity, or interaction with other medications, can also contribute to muscle discomfort. If muscle pain is severe, persistent, or accompanied by other symptoms like chest pain or shortness of breath, medical attention should be sought immediately. Summary: Muscle pain is a possible but uncommon side effect of Malegra FXT, mostly linked to Sildenafil. Usually, it is mild and temporary. To reduce risk, take the medication as prescribed, stay hydrated, and avoid excessive alcohol.