What are the 6 symptoms of anemia?

1. Weakness: Fatigue and drowsiness are caused by muscle hypoxia. 2. Pallor of skin and mucous membranes: Influenced by factors such as the skin, mucous membranes, conjunctiva, capillary distribution, and vasoconstriction status. 3. Cardiovascular system: Palpitations are one of the most prominent symptoms, often accompanied by tachycardia. A soft systolic murmur may be heard at the cardiac apex or pulmonary valve area, known as an anemic murmur. 4. Respiratory system: Acute dyspnea or breathing difficulty is mostly caused by hypoxia of the respiratory center or hypercapnia. 5. Central nervous system: Dizziness, headache, tinnitus, vertigo, difficulty concentrating, and somnolence are common symptoms. 6. Digestive system: Poor appetite, abdominal bloating, nausea, and constipation are the most common symptoms.