Tomato allergy is an uncommon food allergy. However, this becomes a real problem for people with tomato allergies. The allergic reaction appears to be due to the skin, seeds and juice. This allergy falls under type 1 allergy, also called contact allergy. Oral tomato allergy may also be due to cross-reactivity with grass pollens and ryegrass. Since tomatoes and potatoes are closely related plants, there is also a slight risk of being allergic to potatoes. Ingesting tomatoes by people with a true allergy to the vegetable can have fatal consequences. The tomato plant belongs to the deadly nightshade family. A person allergic to tomatoes is likely to be allergic to other members such as tobacco, eggplant and potato. Cause of Tomato Allergy The allergy is triggered by a protein found in tomatoes. The body's immune system sees the protein as harmful and produces antibodies and a chemical called histamines. Tomato Allergy Symptoms Symptoms may be mild, but in severe cases of allergies, they can be life-threatening. This can happen within minutes to hours after consuming the proteins found in tomatoes. There are people who can ingest tomato products like its paste; however, they develop severe symptoms when consuming fresh tomatoes. • Urticaria • Diarrhea • Vomiting • Rash. Other non-threatening reactions to allergy are • Insomnia or trouble sleeping • Fatigue • Heartburn • Bad mood • Constipation • Mimics arthritis • Mouth ulcers • Swelling of the face and lips • Migraines • WheezingTest tomato allergyTomato allergy testing is done through a blood or skin test that can help find the allergen that triggers the allergic reaction. The...... middle of paper ......s to reduce swelling of the skin. Place ice cubes in a bag and press it against the lips or swollen area. • Tea bags can also be used after cooling on the swollen part of the skin. Repeating this several times will help reduce swelling of the lips.Home Remedy for Tomato Allergy that Treats Migraines• Using evening primrose oil to massage the forehead is very beneficial for migraines.• Consuming a prepared mixture from carrot, beetroot or cucumber juice works effectively on migraines. The best way to treat any type of allergy is to eat a balanced diet and exercise regularly. This will help strengthen the immune system. Nevertheless, among all the home remedies for tomato allergy mentioned above, it is always better to call the doctor if the condition worsens in order to avoid further complications that may lead to anaphylactic shock..