Stress, bad posture, sleep deprivation, spicy foods, or strained muscles can all cause acidity or gas, high blood pressure, and neck pain. Eat light meals on time, stay away from spicy and greasy foods, cut back on tea, coffee, alcohol, and smoking if necessary, and drink plenty of water. Try using a warm compress, appropriate pillow support, and mild stretching for 15 to 20 minutes if you have neck ache. Regularly take your blood pressure medications and keep an eye on your blood pressure. If you experience severe chest discomfort, dizziness, numbness, vomiting, extremely high blood pressure, or prolonged neck pain, please see a physician.