Severe gastric pain worsening after taking Calcigen D3 (a vitamin D3 supplement) could be due to irritation of your stomach lining or a side effect like nausea or vomiting, which are known but less common reactions. Since this pain affects your sleep and lasts several days, it’s important to address it promptly.

🩺 Possible Causes

• Gastric irritation or acid reflux triggered by the supplement.
• Sensitivity or mild allergic reaction to ingredients in Calcigen D3.
• Underlying gastrointestinal issues worsened by the medication.

⚠️ When to Seek Immediate Care

• If you experience severe abdominal pain, vomiting blood, or black stools.
• If the pain worsens or is accompanied by fever or persistent vomiting.

🏥 What You Can Do Now

• Stop taking Calcigen D3 until you consult your doctor.
• Avoid spicy, acidic, or heavy meals that may worsen gastric pain.
• Use antacids or acid reducers only after consulting a doctor.

Please consult a gastroenterologist or your prescribing doctor promptly to evaluate your symptoms and consider alternative treatments or further investigations. If symptoms escalate, seek emergency care immediately.To narrow down potential causes, we will need some more information.I understand that you're suffering from severe gastric pain that lasts for 2-3 days and affects your sleep. I have noticed it worsens after taking Calcigen D3. To better understand your situation, could you please share your age and gender?