Angiomas, allergic eczema, mosquito bites and impetigo are some of the conditions that can cause reddish spots on the skin, explains Healthline. Blood-thinning medications such as aspirin, certain types of streptococcus infections and several varieties of skin diseases can also lead to red spots on the skin, notes Healthgrades.
Red spots on the skin can be caused by a variety of factors, notes Healthgrades. Allergic reactions caused by animal fur, insect bites, materials such as latex, anti-clotting medications such as Coumadin, plants such as poison ivy and particular types of food are prevalent causes of this problem. Fungal infections, viral diseases such as rubella and measles and conditions such as systemic lupus erythematosus can also cause red spots on the skin. Other causes of this condition include choking, severe vomiting or coughing and exposure to excessive heat.
Red spots on the skin typically vary in color from purplish-red to pink, explains Healthgrades. They can appear on any part of the body. Red spots are either harmless or an indicator of serious underlying medical conditions. For instance, petechiae, a condition arising from damage to the blood vessels just underneath the skin is often an sign of life-threatening diseases such as meningitis. Seek immediate medical attention if red spots are accompanied by symptoms such as labored breathing, high fever, severe headaches, elevated heart rates and loss of consciousness.