Malnutrition. Malnutrition is an imbalance between the nutrients your body needs to function and the nutrients it gets. It can mean undernutrition or overnutrition. You can be malnourished from an overall lack of calories, or you might have a protein, vitamin or mineral deficiency. You might also have more excess calories than your body knows However, some people who have IgA deficiency experience pneumonia, ear infections, sinus infections, allergies, asthma and diarrhea. Autoimmune diseases, in which your immune system attacks particular organs or tissues in your own body, can be found with selective IgA deficiency. Common autoimmune conditions found with IgA deficiency include People with IgG deficiency are more likely to get infections. Although it’s not known what causes IgG deficiency, genetics may play a role. A blood test that measures immunoglobulin can diagnose this condition. When the symptoms come on later in life, the health problem is harder to manage, and the person tends to have more infections. Neurological problems such as memory issues, cognitive decline, mood changes and psychiatric symptoms. Digestive disorders such as loss of appetite, diarrhea or constipation. An increased risk of Protein intolerance is a disorder that results from an adverse effect of the ingestion of food proteins. It develops through immunological, non-immunological, metabolic, genetic, and pharmacological mechanisms. It is often associated with gastrointestinal symptoms. With early identification of the condition and intervention, the disorder is mostly manageable and has a favorable prognosis. With a protein deficiency, you might notice hair loss, faded hair color, or thinning hair. Brittle nails are also common in those experiencing low protein intake. In children, red patches, flaky skin, or depigmented skin are other telltale signs of a protein deficiency. Protein S deficiency can affect anybody, regardless of gender, who has the genetic abnormality. What Are the Signs and Symptoms of Protein S Deficiency? Individuals with protein S deficiency are at risk of developing blood clots, particularly those that originate in veins (venous thromboembolism). It is the veins that transport blood to the heart. Signs of vitamin D deficiency include rickets, stiffness, weak and bent bones, and posterior paralysis. These signs are indistinguishable from those of a calcium or phosphorus deficiency ( see Mineral Deficiency: Mineral Deficiency: Diagnosis of nutritional deficiencies by observation is difficult. Quite often, the clinical signs are the result 4. HAIR LOSS. 5. VITAMIN D DEFICIENCY – WOUNDS HEAL SLOWLY. 6. SEVERE MUSCLE PAIN. Vitamin D helps your body absorb calcium to promote bone growth. Lack of v D can impact your overall health. A level lesser than 20 ng/ml of v D indicates a deficiency. If so, you may lack vitamins C and K, says the NIH. Vitamin C deficiency can cause weak blood vessels due to insufficient collagen production, resulting in easy bruising, per StatPearls. Vitamin K is essential for blood coagulation and clotting after injury. According to the Merck Manual, inadequate vitamin K levels can lead to easy bruising. oyNM.