Can allergies cause headaches?

Home questions and answers can allergies cause headaches? Can allergies cause headaches? Can allergens under the protection of the question of a headache? The answer is to think that allergies cause headaches is a wrong concept. However, allergies can cause sinus congestion, which can lead to headaches. If you suffer from allergies, the treatment of allergies will not remove the headache. Generally, the two cases should be treated separately. Talk to your doctor to ensure appropriate treatment.