Providers and consumers should realize that isotretinoin is a potent drug with the potential to cause birth defects and reserve its use for severe recalcitrant nodular acne. Isotretinoin is not for use in mild forms of acne and should not be shared among family members.
Most orbital motorways (or beltways) are purpose-built major highways around a town or city, typically without either signals or road or railroad crossings. In the United States, beltways are commonly parts of the Interstate Highway System. Similar roads in the United Kingdom are often called orbital motorways.
Drugs should only be injected into the veins. Think of the body as a road map with a highway system all its own that sends blood to and from your body parts. The map is called the circulatory system and the roads are called arteries and veins. Arteries, which usually look red, carry blood away from the heart. Veins, which usually look blue, return blood to the heart. You should never inject into an artery. If you happen to hit upon an artery by mistake, you will know if: