Which iron tablets are suitable: iron salts, bisglycinate or liposomal iron?
Iron preparations differ in form, dose and tolerability. Why the most expensive preparation is not automatically the best.
Blog - Praxis Jona
English articles from Praxis Jona on internal medicine, prevention, nutrition and practice updates in Berlin-Mitte.
Ferritin below 30 or 50: when is it iron deficiency?
Understand ferritin: diagnostic ranges, symptoms at values up to 50 and current US recommendations. Why haemoglobin and inflammation also matter.
Ferritin and inflammation: why a normal result can be misleading
Understand ferritin, CRP and transferrin saturation together: how inflammation affects iron supply and when further assessment is needed.
Ferritin is not rising despite iron tablets: what should be checked?
Taking iron but ferritin remains low? Review intake, duration, blood loss, medicines and absorption disorders systematically.
Hormone therapy in perimenopause: while still having periods?
Must periods stop before HRT can be considered? Medical guidance on symptoms, oestrogen, progesterone and personal risks.
Iron deficiency despite normal Hb: how is that possible?
Fatigue and depleted iron stores without anaemia: why normal haemoglobin does not exclude iron deficiency, and which findings help with assessment.
Vaginal dryness and urinary symptoms during menopause
Burning, dryness, pain during sex or recurrent urinary symptoms: what GSM means and which local treatments can be discussed.
Oestrogen dominance or progesterone deficiency: what is behind these terms?
Breast tenderness, sleep problems or irregular bleeding: what oestrogen dominance and progesterone deficiency explain in perimenopause, and what they do not.
Perimenopause at 35 or 40: am I too young?
Menopause-like symptoms at 35 or 40 deserve attention. Understand early menopause, premature ovarian insufficiency and when targeted assessment matters.
Testing for perimenopause: when are blood tests useful?
Measure FSH, oestradiol or progesterone? Why age, cycle and symptoms matter, and when hormone testing may help with menopausal symptoms.
Brain fog and fatigue in perimenopause
Concentration problems, poor sleep and exhaustion during the menopausal transition: possible connections, other causes and preparation for your consultation.
Supplements in perimenopause: what makes sense?
Vitamin D, magnesium, omega-3, creatine or iron? Why diet, specific goals and documented deficiencies matter more than a blanket menopause package.
Perimenopause: symptoms, onset and duration
Could this be perimenopause? Learn which changes are typical, how cycles change and when medical assessment is useful.
Weight in perimenopause: nutrition and strength training
More abdominal fat or a different body feeling during menopause? Why diet, activity, sleep and health-related causes should be considered together.
Restless legs and hair loss: why ferritin is assessed differently
Ferritin of 59 and still a reason to discuss iron? RLS has its own treatment thresholds. Hair loss needs a different assessment.
Taking iron tablets correctly: schedule, meals and hepcidin
Morning on an empty stomach or evening? Every other day? How hepcidin, elemental iron, vitamin C and spacing may affect intake.
When does an iron infusion make sense, and what should you know beforehand?
When tablets do not work or are not tolerated: when intravenous iron may be considered, and why the preparation, cause and follow-up matter.
Botulinum Toxin in Medicine: Uses, Benefits and Safety
An evidence-based guide to medical botulinum toxin uses: chronic migraine, hyperhidrosis, spasticity, dystonia, overactive bladder, bruxism and key safety considerations.
Iron Infusions for Women: Benefits, Evidence, Safety and When They Make Sense
An evidence-based guide to iron infusions for women: when intravenous iron can help, which blood tests matter, what benefits are realistic and what safety points need medical review.
Practice Takeover: Dr. med. Jonida Gjolli Takes Over from Constanze C. Buhrman
As of January 1, 2026, Dr. med. Jonida Gjolli takes over the practice from Constanze C. Buhrman, who will remain part of the team.
Nutrition Recommendations for Lipid Disorders
Lifestyle and nutrition are important parts of treating lipid disorders and reducing long-term cardiovascular risk.
New: Pay by EC Card, Credit Card or Online
Praxis Jona now offers digital payment options for private services, including card payments, mobile payments and online payment links.
Practice Takeover: Dr. med. Thomas Roessner Hands Over to Dr. med. Jonida Gjolli
In July 2024, Dr. med. Jonida Gjolli took over the practice of Dr. med. Thomas Roessner and continues patient care in internal medicine.
My Journey to Better Wellbeing with Hashimoto's
A personal reflection on Hashimoto's thyroiditis, nutrition changes and the path back to more energy and wellbeing.
Diabetes Mellitus
Diabetes mellitus is a chronic metabolic disease in which blood glucose is elevated because the body does not produce enough insulin or cannot use insulin effectively.
Hypertension
High blood pressure is common and often unnoticed, but it increases the risk of heart attack, stroke, heart failure and kidney disease.
Prevention Helps People Live Healthier and Longer
Regular check-ups support early detection, prevention and better long-term health decisions.