Poxet 30 mg can cause nasal congestion (a stuffy or blocked nose). It’s listed as one of the possible side effects of the medication, although not everyone will experience it.  Why It Happens Poxet 30 mg contains dapoxetine, a short‑acting SSRI used to treat premature ejaculation. While its most common side effects include nausea, headache, dizziness, and dry mouth, some users also report nasal congestion or a stuffy nose. This occurs because dapoxetine can affect neurotransmitters and minor blood vessel responses in the nasal passages, leading to mild swelling or congestion.  Reported Respiratory Side Effects Nasal congestion / stuffy nose – specifically noted as a possible side effect of Poxet 30 mg. Other respiratory symptoms like rhinitis or upper respiratory irritation have also been reported less commonly with dapoxetine products. What to Know This side effect is generally mild and temporary. If congestion becomes bothersome, persistent, or is accompanied by significant breathing difficulty, you should consult a doctor. Always take Poxet as prescribed, and tell your healthcare provider about all symptoms you experience.