I came across this list from the disease database which includes any drugs or medicines which may cause blushing as a side effect. If you’re having problems blushing and you’re taking any of these medicines then contact your doctor to see what’s going on:

• Acipimox
• Adenosine
• Ambrisentan
• Amlodipine
• Aspirin
• Betahistine
• Bosentan
• Bromocriptine
• Cabergoline
• Calcitonin
• Caspofungin
• Chlorpropamide
• Cyclosporin
• Danazol
• Dinoprostone
• Epoprostenol
• Ethanol
• Felodipine
• Fenoldopam
• Gemeprost
• Gestrinone
• Glatiramer acetate
• Glyceryl trinitrate
• Granulocyte-macrophage colony stimulating factor
• Isosorbide dinitrate
• Isosorbide mononitrate
• Isradipine
• Lysuride
• Methionine
• Nicorandil
• Nicotinic acid
• Nifedipine
• Nitrendipine
• Pergolide
• Piribedil
• Protamine sulfate
• Quinidine
• Reboxetine
• Regadenoson
• Reproterol
• Ropinirole
• Salbutamol
• Serotonin
• Sildenafil
• Sodium nitrite
• Sulprostone
• Tadalafil
• Tamoxifen
• Thyrotrophin releasing peptide
• Trilostane
• Vancomycin
• Vardenafil

Hope this helps you stop blushing!