Before you begin taking Bisolvon, make sure to inform your doctor:, About all the medications you take, especially those involving the treatment of coughs and colds or any other respiratory condition., About any existing medical conditions you have, such as liver or kidney problems, stomach ulcers, or a history of severe allergic reactions., If you are pregnant or plan to become pregnant. While Bromhexine is not known to cause harm to unborn babies, always discuss any medications with your healthcare provider during pregnancy., If you are breastfeeding or plan to do so. Bromhexine may pass into your breast milk. Always consult your doctor before taking any new medication while breastfeeding., Bisolvon may cause stomach discomfort or gastric irritation. If you experience severe or persistent abdominal pain, stop taking Bisolvon and immediately contact your doctor., Bisolvon can cause allergic reactions. Seek immediate medical attention if you experience difficulty breathing, skin rashes, or swelling of your face, lips, or throat., In rare cases, Bisolvon may cause a severe skin reaction called Stevens-Johnson syndrome. This is a rare, serious condition that causes a rash, blisters, and peeling of the skin. It can also affect the mouth, eyes, and other mucous membranes. If you notice these symptoms, stop taking Bisolvon and seek medical attention immediately. About all the medications you take, especially those involving the treatment of coughs and colds or any other respiratory condition., About any existing medical conditions you have, such as liver or kidney problems, stomach ulcers, or a history of severe allergic reactions., If you are pregnant or plan to become pregnant. While Bromhexine is not known to cause harm to unborn babies, always discuss any medications with your healthcare provider during pregnancy., If you are breastfeeding or plan to do so. Bromhexine may pass into your breast milk. Always consult your doctor before taking any new medication while breastfeeding.