Rose hip is likely safe for adults when taken by mouth appropriately. Rose hip is possibly safe when applied to the skin appropriately for short-term.
Rose hip can cause some side effects such as nausea, vomiting, diarrhea, constipation, heartburn, stomach cramps, fatigue, headache, inability to sleep and others. Inhaling rose hip dust can cause an allergic reaction in some people.
Special Precautions & Warnings:
Pregnancy and breast-feeding: There is not enough reliable information about the safety of taking rose hip if you are pregnant or breast feeding. Stay on the safe side and avoid using amounts larger than those found in food.
Bleeding conditions: Rugosin E, a chemical found in rose hip, might slow blood clotting. Taking rose hip might increase the risk of bleeding in people with bleeding disorders.
Diabetes: The vitamin C in rose hip might affect the control of diabetes, but not all experts agree on this.
Glucose-6-phosphate dehydrogenase deficiency (G6PD deficiency): Large amounts of the vitamin C in rose hip might increase the risk of complications.
Kidney stones: Large amounts of the vitamin C in rose hop might increase the risk for kidney stones.
Iron-related disorders such as hemochromatosis, thalassemia or anemia: Use rose hip with caution if you have any of these conditions. The vitamin C in rose hip can increase iron absorption, which could make your condition worse.
Sickle cell disease: It is rare, but the vitamin C in rose hip might make blood more acidic and this could bring on a sickle cell crisis. It is best to avoid use.
Surgery: Rugosin E, a chemical found in rose hip, might slow blood clotting. There is concern that rose hip might cause bleeding if used before surgery. People taking rose hip should stop at least 2 weeks prior to a surgery.