In Eczema, skin is dry and can easily be irritated, itchy & Painful. Drinking water in turn will Rehydrate and moisturise the dry skin.
Not necessarily a sign of weak immune system. Eczema is just the inflammatory reaction to any allergen, irritant, climate.
Red dots can be raised, flat, Itchy or painful depending on the condition. The colour can also vary from pale red to bright red. Pinpoint red dots can be petechiae which occur due to broken superficial blood vessels under the skin. Red spots can also be found during some infection, heat or sun over exposure, any allergies and bites caused by insects, mosquitoes, ticks, bed bugs.
Itching can be relieved by applying Moisturiser to the affected area. There are also other methods such as applying wet cloth or ice packs to the effected area or applying Calamine lotion.
Usage of oil on face depends on skin type. In persons with oily skin, additional application of oil must be avoided to prevent clogging of pores. In persons with dry or flaky skin, any natural oils may be used in moderation to mosturize the skin. Coconut oil, almond oil are some of the natural oils which are good for skin.