nephritis with nausea
Informed by recognized medical guidance
Overview
Nephritis is inflammation (swelling) of the kidney filters. When the kidneys are inflamed, they can't clean waste from the blood properly. That waste can build up and cause nausea (feeling sick to your stomach).
Key facts
- Nephritis can be acute (sudden) or chronic (long-lasting).
- Nausea is a common symptom because toxins build up in the blood.
- Treatment often helps control the inflammation and protect kidney function.
Nephritis is not very common, but it is a serious condition that requires medical attention.
It can affect people of any age. Some types are more common in children and young adults, while others occur in older adults.
Symptoms
- Very little or no urine output (call your local emergency number immediately)
- Severe nausea and vomiting that prevents you from keeping any fluids down
- Trouble breathing or chest pain
- ⚠Blood in your urine (pink, red, or cola-coloured)
- ⚠Sudden swelling in your face or hands
- ⚠Nausea that does not go away within a day or two
Common symptoms
- Nausea and vomiting
- Foamy or bloody urine
- Swelling in the face, hands, feet, or belly (oedema)
- High blood pressure
- Fatigue (feeling very tired)
Symptoms in children
- Nausea, poor appetite
- Fever
- Dark or reddish urine
- Swelling around the eyes
Symptoms in older adults
- Nausea and vomiting (may be less obvious)
- Confusion or drowsiness
- Swelling in legs or ankles
- Lower urine output than usual
Causes
Main causes
- Infections like strep throat or urinary tract infections
- Autoimmune diseases (e.g., lupus, IgA nephropathy) – the body's immune system attacks the kidneys
- Certain medicines or toxins
Risk factors
- Family history of kidney disease
- Diabetes or high blood pressure
- Having an autoimmune condition
- Recent infections (especially strep)
When to see a doctor
See a doctor urgently if:
- If you have nausea plus swelling, blood in urine, or very dark urine
- If you are passing much less urine than usual
Book a routine appointment if:
- If you have ongoing nausea, fatigue, or puffiness that doesn't go away
- If you have high blood pressure or diabetes and notice new symptoms
Diagnosis
Your doctor will ask about your symptoms, check your blood pressure, and order tests to see how your kidneys are working.
Tests that may be done
- Urine test (to look for blood, protein, or infection)
- Blood test (to measure kidney function and waste products like creatinine)
- Ultrasound of the kidneys (to see their size and shape)
- Sometimes a kidney biopsy (a small sample of kidney tissue) to find the exact cause
What to expect at your appointment
The tests are usually done in a clinic or hospital. A biopsy is done with a needle while you are awake but numbed. The results help your doctor choose the best treatment.
Treatment
Treatment depends on the cause and aims to reduce inflammation, control nausea, and protect your kidneys. Most people get better with medical care.
Self-care at home
- Drink enough water (unless your doctor advises a fluid limit)
- Avoid medicines like ibuprofen, naproxen, or other NSAIDs – they can harm the kidneys
- Follow a low-salt diet to help control swelling and blood pressure
Medical treatments
Doctors may prescribe medications to lower blood pressure, reduce inflammation (like steroids), or suppress the immune system if it's an autoimmune cause. Nausea can be managed with anti-sickness medicines. Talk to your doctor about what is right for you.
When is surgery considered?
Surgery is rarely needed for nephritis itself. In severe cases where the kidneys fail completely, dialysis or a kidney transplant may become necessary – but this is not common.
Living with this condition
Check your blood pressure regularly, watch for swelling, and keep up with follow-up appointments. Report any new or worsening symptoms to your healthcare team.
Lifestyle tips
- Eat a healthy, balanced diet – limit salt, processed foods, and excess protein
- Stay active with gentle exercise like walking (ask your doctor what's safe)
- Do not smoke or use tobacco – it hurts your kidneys
Diet and exercise
A kidney-friendly diet often means less salt, less potassium (like bananas and potatoes), and the right amount of protein. A dietitian can help. Aim for moderate exercise – it helps blood pressure and overall health.
Mental health and emotional wellbeing
Living with a kidney condition can be stressful and worrying. It's normal to feel anxious or down. Talk to your doctor or a counsellor. If you have thoughts of harming yourself, please call your local crisis helpline or emergency number.
Prevention
Not all cases can be prevented, but you can lower your risk by controlling blood pressure and diabetes, treating infections promptly, and avoiding unneeded NSAIDs.
Vaccines
Getting vaccines like the flu shot and pneumonia vaccine can help prevent infections that might trigger kidney inflammation.
Screening programmes
If you have a family history of kidney disease, high blood pressure, or diabetes, ask your doctor about regular urine and blood tests.
Complications
If left untreated
- Chronic kidney disease (long-term damage)
- Kidney failure (needing dialysis or transplant)
- High blood pressure that is hard to control
- Fluid build-up (oedema) leading to heart problems
Long-term outlook
With early treatment, many people with nephritis recover fully or live well with their condition. Chronic forms can be managed so that your kidneys stay healthy for a long time. Your healthcare team will work with you to get the best outcome.
Find support
Local organisations
- Kidney Care UK (for UK residents) · UK
External links open third-party websites. Ruqelo Health is not responsible for external content. Listing an organisation does not imply endorsement.
Always verify with your doctor
Health guidelines vary by country and region. The information in this article is based on international clinical guidelines but may not reflect the specific guidelines, medications, or practices in your country. Always discuss your health concerns with your own doctor or healthcare provider, and refer to your local national health guidelines where available.
Important notice This information is for educational purposes only. It does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your specific situation. If you are experiencing a medical emergency, call your local emergency services immediately.
Related conditions
Sources and guidance
This article is educational and is prepared with reference to recognized health information and clinical guidance sources where available. Specific source links may vary by topic.
Last updated: July 30, 2026
Educational note: This information is for education only and is not a diagnosis.
Use it to support, not replace, advice from a licensed clinician.
If symptoms are severe, worsening, or urgent, call your local emergency number or seek emergency care.