Springtime is misery time for anyone with pollen allergies. Grasses, ragweed and pigweed may be the chief causes of hay fever, or allergic rhinitis, but big wind-pollinated shade trees make their contribution, as well.

When choosing a sunscreen, consumers are barraged with a flood of terms in which they may not be well-versed. Terms such as SPF, UVA, UVB, chemical sunscreen and mineral sunscreen are just the tip of the iceberg.

Mango rinds contain an oil, called urushiol, that occasionally causes skin irritation. Although it is relatively common for people to develop rashes after coming into contact with urushiol, it is minimally present in the actual mango flesh. Few people develop similar rashes from eating mango fruit.

Small red bumps that appear on your wrist may resemble a cluster of raised bumps or a bumpy rash that seems to be connected. Depending upon the cause of the bumps, it may spread to other parts of your body as well.

Rashes, pimples, sores and other skin disruptions appear and disappear frequently. Any number of problems could cause a sore and blister to appear on your back, from a boil to an outbreak of shingles.

Many vitamins are important for healthy skin. As skin rashes and changes are easy to see, sometimes they are the first sign of a vitamin deficiency.

Ringworm and scabies are highly contagious skin conditions that transmit through direct skin-to-skin contact. Both conditions cause distinguishing rashes and require rigorous treatment. Ringworm can develop on the scalp and skin. On the scalp, the rash usually causes bald, scaly patches.

Doctors often prescribe anti-itch creams with hydrocortisone to relieve rashes from poison ivy and many other causes, such as contact dermatitis and eczema. You have many options to treat a rash without hydrocortisone -- from natural, herbal remedies to oatmeal baths and calamine lotion.

Many hair products contain a variety of natural and man-made ingredients, which can affect skin in different ways. Some people can have adverse reactions to one or more of these ingredients. The level of reaction can range from mild irritation to a full-blown allergy attack.

Intertrigo is an inflammatory skin condition that develops when trapped moisture and friction in large skin folds leads to chafing. It occurs most often in people who are overweight, and commonly develops in the thigh crease, under the breasts, in the armpits, between the buttocks and in skin folds of the belly.

Having a pimply rash on your body can cause a lot of pain, discomfort and possibly embarrassment. A variety of reasons, such as viral or bacterial infections, could explain a pimple-like rash all over your body.

A rash that develops after taking a probiotic supplement may be a sign of an allergic reaction. Because a rash is not a common side effect of taking probiotic supplements, you need to call your doctor and discontinue use of the product.