A 46-year-old woman with severe heart and lung disease had vitamin C deficiency so severe that her blood levels were below 5.7 micromoles per liter, causing unexplained bleeding from her mouth and gums, extensive bruising, and worsening shortness of breath. According to Gram Research analysis, vitamin C supplements and dietary changes quickly stopped her bleeding and improved her breathing, showing that vitamin C deficiency can hide in patients with serious diseases and cause additional symptoms that doctors might otherwise miss.
A 46-year-old woman with severe heart and lung problems experienced unexplained bleeding, bruising, and breathing difficulties. Doctors discovered she had severe vitamin C deficiency, a condition rare in developed countries but still possible when people eat limited food varieties. According to Gram Research analysis, simple vitamin C supplements and dietary changes quickly stopped her bleeding and improved her breathing. This case shows that vitamin C deficiency can hide behind other serious diseases and cause symptoms that seem unrelated, making it important for doctors to check for basic nutritional problems before assuming symptoms come only from existing conditions.
Key Statistics
A case report published in 2026 documented a 46-year-old woman with severe pulmonary arterial hypertension who had vitamin C deficiency levels below 5.7 micromoles per liter, far below normal, causing mucosal bleeding and worsening shortness of breath that improved rapidly with vitamin C supplementation.
In this single case, oral vitamin C supplementation and dietary modification led to rapid resolution of mucosal bleeding and improvement in dyspnea in a patient with severe pulmonary arterial hypertension and profound vitamin C deficiency.
Vitamin C deficiency presented with extensive bruising, mucosal bleeding, and progressive shortness of breath in a patient with severe pulmonary arterial hypertension, demonstrating that micronutrient deficiencies can contribute to clinical deterioration in complex cardiopulmonary disease.
The Quick Take
- What they studied: Whether vitamin C deficiency could be causing or worsening symptoms in a patient with serious heart and lung disease
- Who participated: One 46-year-old woman with severe pulmonary arterial hypertension (a serious lung blood vessel disease) and chronic low iron levels who came to the hospital with unexplained bleeding, bruising, and worsening shortness of breath
- Key finding: The patient had severe vitamin C deficiency (less than 5.7 micromoles per liter, far below normal levels). When she started taking vitamin C supplements and changed her diet, her bleeding stopped quickly and her breathing improved within a short time
- What it means for you: If you have serious health conditions and develop unexpected bleeding or bruising, doctors should check your vitamin C levels before assuming it’s only from your main disease. Simple nutritional fixes might help, but this is one case and doesn’t mean vitamin C deficiency causes these problems in everyone
The Research Details
This is a case report, which means doctors documented what happened with one specific patient. A 46-year-old woman came to the hospital with progressive shortness of breath, tiredness, extensive bruising, and bleeding from her mouth and gums. She already had severe pulmonary arterial hypertension (a disease where blood vessels in the lungs become stiff and narrow) and chronic anemia (low red blood cell count). Her doctors ran blood tests and discovered she had extremely low vitamin C levels, which is unusual in developed countries where vitamin C is readily available in food.
The doctors gave her vitamin C supplements by mouth and recommended dietary changes to include more vitamin C-rich foods. They then tracked how she improved over time. This type of study is valuable because it shows what can happen in real patients and suggests new ideas for doctors to consider, even though it only involves one person and cannot prove that vitamin C deficiency causes these problems in everyone.
Case reports are often the first step in medical research. They help doctors recognize patterns and think about conditions they might otherwise miss. However, because this involves only one patient, the findings cannot be generalized to larger groups without further research.
Vitamin C deficiency, also called scurvy, is so rare in developed countries that doctors often don’t think to check for it. When patients have serious diseases like heart and lung problems, doctors may assume all new symptoms come from those existing conditions. This case shows that checking for basic nutritional deficiencies could help doctors find treatable causes of symptoms and avoid unnecessary tests or treatments. It also reminds doctors that complex patients need thorough evaluation of all possible causes.
This is a single case report, which is the lowest level of research evidence. It describes what happened with one patient but cannot prove cause and effect or show whether this would happen in other patients. The strength of this report is that the patient improved quickly after treatment, which suggests vitamin C deficiency was contributing to her symptoms. However, without comparing this patient to similar patients who did not receive vitamin C treatment, we cannot be certain vitamin C was the main reason for improvement. The findings are most useful for alerting doctors to consider vitamin C deficiency in similar situations, not for making definitive medical recommendations.
What the Results Show
The patient had blood vitamin C levels below 5.7 micromoles per liter, which is severely deficient (normal levels are much higher). Despite having normal iron stores in her body, she had severe anemia, meaning her red blood cell count was very low. She experienced extensive bruising on her skin and bleeding from her mouth and gums, symptoms that typically occur with vitamin C deficiency because vitamin C is essential for making collagen, a protein that holds blood vessels together.
After starting oral vitamin C supplements and making dietary changes to include more vitamin C-rich foods, her mucosal bleeding (bleeding from the mouth and gums) stopped quickly. Her shortness of breath, which had been getting worse, improved noticeably. Her hemoglobin levels, which measure the amount of red blood cells, stabilized and stopped declining. These improvements happened relatively quickly after starting treatment, suggesting that vitamin C deficiency was contributing significantly to her symptoms.
The case is particularly interesting because this patient already had severe pulmonary arterial hypertension, a serious disease affecting blood vessels in the lungs. Her doctors were managing this with triple therapy, meaning three different medications. Despite stable medication management, she was getting worse. The vitamin C deficiency appeared to be an additional problem layered on top of her existing disease, making her overall condition worse.
The patient’s fatigue improved along with her other symptoms after vitamin C treatment began. Her anemia, which had been difficult to explain because her iron stores were normal, began to stabilize. This suggests vitamin C deficiency may have been contributing to her low red blood cell count, possibly because vitamin C helps with iron absorption and red blood cell formation. The case also showed that vitamin C deficiency can occur in developed countries in people with limited dietary variety, even when vitamin C-rich foods are available.
Vitamin C deficiency, or scurvy, was common historically when people had limited access to fresh fruits and vegetables. Modern cases are rare but have been documented in people with very restricted diets, alcoholism, or certain medical conditions. This case adds to the medical literature by showing that vitamin C deficiency can occur alongside other serious diseases and may worsen symptoms or create additional problems. Previous research has established that vitamin C is essential for collagen formation, immune function, and iron absorption, so deficiency can cause bleeding, anemia, and other systemic symptoms. This case demonstrates these principles in a real patient with complex medical problems.
This is a single case report involving one patient, so the findings cannot be applied to other patients without further research. We do not know if other patients with similar conditions would respond the same way to vitamin C treatment. The patient had multiple medical problems, so it is difficult to know exactly how much vitamin C deficiency contributed to each symptom versus her underlying heart and lung disease. We do not have information about why this patient developed vitamin C deficiency or details about her specific diet. The improvement after treatment could theoretically be due to other factors besides vitamin C, though the rapid response to supplementation suggests vitamin C was important. This case cannot prove that vitamin C deficiency causes these problems, only that it was present and that treatment helped.
The Bottom Line
Doctors should consider checking vitamin C levels in patients with serious heart or lung diseases who develop unexplained bleeding, bruising, or worsening symptoms, especially if they have limited dietary variety. Vitamin C supplementation may help if deficiency is found. However, this recommendation is based on one case and should not replace standard medical care. Patients should not self-diagnose or self-treat based on this case. If you have symptoms of bleeding or bruising, consult your doctor for proper evaluation. Confidence level: Low to moderate, as this is a single case report.
Doctors caring for patients with serious heart and lung diseases should be aware of this case, especially when patients develop unexpected bleeding or bruising. Patients with restricted diets or limited access to fresh foods may benefit from vitamin C screening. People with existing serious health conditions who develop new or worsening symptoms should ask their doctors to check for nutritional deficiencies. This case is less relevant for people with varied diets that include fruits and vegetables, as vitamin C deficiency is very rare in that population.
In this case, bleeding from the mouth and gums improved quickly after starting vitamin C supplements, within days to weeks. Shortness of breath improved over a similar timeframe. Hemoglobin levels stabilized relatively quickly. However, this timeline is based on one patient and may not apply to others. Individual responses to treatment vary.
Frequently Asked Questions
Can vitamin C deficiency make heart and lung disease worse?
This case report shows one patient whose vitamin C deficiency appeared to worsen symptoms of severe lung disease, causing bleeding and worsening shortness of breath. However, this is one case and does not prove vitamin C deficiency causes these problems in everyone with heart or lung disease.
What are the signs of vitamin C deficiency in adults?
Vitamin C deficiency can cause bleeding from gums and mouth, extensive bruising, fatigue, and anemia. In this case, a patient also experienced worsening shortness of breath. Vitamin C deficiency is rare in developed countries but can occur in people with very limited diets.
How quickly does vitamin C supplementation work?
In this case, mucosal bleeding stopped quickly and shortness of breath improved within days to weeks of starting vitamin C supplements. However, individual responses vary, and this timeline is based on one patient. Always consult your doctor about expected timelines for your specific situation.
Should I get tested for vitamin C deficiency if I have unexplained bruising?
If you have unexplained bruising or bleeding, especially with other symptoms like fatigue or shortness of breath, ask your doctor to evaluate you. Vitamin C deficiency is one possible cause among many, and your doctor can determine whether testing is appropriate based on your full medical picture.
Is scurvy still a real problem today?
Scurvy, the disease caused by severe vitamin C deficiency, is rare in developed countries but still occurs in people with very restricted diets or certain medical conditions. This case shows it can happen even in modern healthcare settings if nutritional needs are overlooked.
Want to Apply This Research?
- If you have been diagnosed with vitamin C deficiency or are taking vitamin C supplements, track your daily intake in grams and note any changes in symptoms like bruising, bleeding, or shortness of breath on a weekly basis
- Increase dietary vitamin C by adding specific foods like oranges, strawberries, bell peppers, or broccoli to daily meals, and log which foods you eat and how you feel each day
- Set weekly reminders to photograph any new bruising or bleeding and note energy levels and breathing difficulty on a scale of 1 to 10, sharing this log with your healthcare provider at regular appointments
This article describes a single case report and should not be used for self-diagnosis or self-treatment. Vitamin C deficiency is rare in developed countries, and unexplained bleeding or bruising may indicate serious medical conditions requiring professional evaluation. If you experience bleeding, bruising, or worsening shortness of breath, consult your healthcare provider immediately for proper diagnosis and treatment. Do not start vitamin C supplements or make dietary changes without discussing them with your doctor, especially if you have existing medical conditions or take medications. This case report suggests doctors should consider vitamin C deficiency in certain situations but does not establish that vitamin C deficiency causes these symptoms in other patients. Always seek personalized medical advice from qualified healthcare professionals.
This research translation is published by Gram Research, the science division of Gram, an AI-powered nutrition tracking app.