Flu and pale skin: what should you know?

Flu can leave you tired, feverish, and less interested in drinking. Dehydration and feeling faint can make your complexion look washed out. Pale skin can also occur with anaemia, including iron deficiency anaemia or vitamin B12 deficiency. Less commonly, inherited blood conditions such as sickle cell disease or thalassaemia may contribute. A change in colour is more concerning when the lips, face, or fingertips look grey or blue, or when it appears with breathlessness, confusion, or marked weakness.

Rest, take frequent small drinks, and monitor whether your urine becomes very dark or noticeably less frequent. Keep a note of fever, breathing changes, dizziness, and when the pallor began. Do not start iron supplementation simply because your skin looks pale; a clinician may need blood tests to identify the cause, and unnecessary iron can be harmful. Read more about Pale Skin, Anaemia, and Iron Deficiency Anaemia if the change continues after the flu symptoms settle.

Seek urgent medical help if pale or grey skin occurs with trouble breathing, chest pain, fainting, new confusion, severe weakness, or blue lips. Arrange prompt clinical advice if you cannot keep fluids down, are becoming unusually sleepy, or the colour change is persistent or worsening. A healthcare professional can examine your circulation and arrange blood tests when needed.

Could dehydration or the flu explain this colour change? Do I need a blood count or tests for iron and vitamin B12? Which symptoms should make me seek urgent help? If treatment is needed, would Iron Supplementation be appropriate for me?